Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 66633: Graph 3x + 2y = 6
This one is throwing me off because the way I figured this one was 3x-2y = 1 or -1 to get rid of the variable to find the cordinance. Can someone please help me with this one. Thanks
Click here to see answer by funmath(2925)

Question 66650: Write the equation of the line with x-intercept (-10, 0) and undefined slope.
Click here to see answer by ankor@dixie-net.com(15646)

Question 66672: PLease help to graph on a number line
x^2 - 5x > or equal to -6; D = {Reals}
Click here to see answer by stanbon(57290)

Question 66673: Write the equation of the line passing through (6,2) and (6, -6). Show work.
Click here to see answer by stanbon(57290)

Question 66673: Write the equation of the line passing through (6,2) and (6, -6). Show work.
Click here to see answer by checkley71(8403)

Question 66647: 2x – 3y = 12
Click here to see answer by checkley71(8403)

Question 66352: solve this equation by graphing:
y=2/3x -1
Click here to see answer by checkley71(8403)

Question 66646: y = ¾ x + 2
Click here to see answer by Gen(11)

Question 66691: Determine which two equations represent parallel lines. Show work.
(a) y=6x-5 (b) y=-6x+5 (c) y=6x+1 (d) y=-1/6x-5
Click here to see answer by Nate(3500)

Question 66691: Determine which two equations represent parallel lines. Show work.
(a) y=6x-5 (b) y=-6x+5 (c) y=6x+1 (d) y=-1/6x-5
Click here to see answer by sister_insomnia(8)

Question 66690: graph the equation y=-2x
Click here to see answer by Nate(3500)

Question 66689: graph the equation y=4/3x-2
Click here to see answer by Nate(3500)

Question 66693: Complete the ordered pairs for the equation y=5x+15. Please show me how you arrived at the answer.
Click here to see answer by Earlsdon(6287)

Question 66648: I am really lost on this question on how to go about this correctly:
50. Business and finance. The cost of producing a number of items x is given by
C= mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
(b) Graph the cost equation.

Click here to see answer by Earlsdon(6287)

Question 66721: graph y=-x-2
Click here to see answer by stanbon(57290)

Question 66720: Complete the ordered pairs for the equation y=5x+15. ( ,0) (1/5, ) (0, ) (-1/5, )
Click here to see answer by Earlsdon(6287)

Question 66720: Complete the ordered pairs for the equation y=5x+15. ( ,0) (1/5, ) (0, ) (-1/5, )
Click here to see answer by sprolden(40)

Question 66683: Business and finance. The cost of producing a number of items x is given by
C= mx +b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
(b) Graph the cost equation.

Click here to see answer by stanbon(57290)

Question 66741: Which equation represents a line whose x-intercept is the solution to the equation -3/4x+1/2=0
Answer Choices:
A) 3x+4y=2
B) 3x+4y=-1/2
C) 4x+3y=2
D) y=-3/4x-1/2
Click here to see answer by stanbon(57290)

Question 64435: graph the linear parent function y=x, and then graph the line whose y intercept is translated up 3
Click here to see answer by rapaljer(4667)

Question 64480: looking for more help please, Thank you...
Given f(x) = x^2 – 8x - 20 equation (parabola), find the following:
21.) The vertex
22.) The y-intercept(s)

Click here to see answer by rapaljer(4667)

Question 66692: Plot the point with coordinates (-4,3)
Click here to see answer by stanbon(57290)

Question 66219: Directions: graph the solution set of each of the following inequalities.
3x >= 2x -4
Click here to see answer by rapaljer(4667)

Question 66645: 2x + 3y = 6
Click here to see answer by rapaljer(4667)

Question 66665: Please help
Complete the square as an aid in graphing
y = x^2 + 2x - 1
Click here to see answer by venugopalramana(3286)

Question 66660: PLease help to graph
y < 2
5x + 3y > or equal to 12
Click here to see answer by ankor@dixie-net.com(15646)

Question 66778: please help me solve these equations.
On a graph f(x) = -x^ + 3x - 2
using the graph what are the values of x for which f(x) > 0
using the graphs of f(x) = -x^ + 3x - 2 and g(x) = -3 find the roots of theequation -x^ + 3x +1 = 0
Click here to see answer by Nate(3500)

Question 66903: Graph each of the following inequalities: 4x + y greater than or equal to 4.
I am having trouble with this one. Could someone show me how to do this and graph this. Thanks for any help.
Click here to see answer by ankor@dixie-net.com(15646)

Question 66904: Graph the following inequalities: 3x - 4y < 12.
Any help with solving and graphing this equation would be greatly appreciated. Thanks.
Click here to see answer by ankor@dixie-net.com(15646)

Question 66920: Determine the slope of a line that goes through the points (1,3) and (-2,5)
Click here to see answer by checkley71(8403)

Question 66919: graph a line that goes through the point (4,4) and has a slope of -1/2
Click here to see answer by checkley71(8403)

Question 66918: m=2;(3,2)
Click here to see answer by checkley71(8403)

Question 66927: I am trying to put the points (-7,2) and (-1,7) in general form.
Click here to see answer by checkley71(8403)

Question 66970: Ok I was helping my little brother graph stuff and he came to me with the problem x=4y-6 and i need it to be in mx+b=y format. I some how got (1/-4)x+1.5=y. please help me. Was my answer right? If it is can you help explain how I got it because I really don't know.
Click here to see answer by Earlsdon(6287)

Question 66956: solve each open sentence. graphthe solution set, if there is one.
20)-8 is less than or equal to -2x is less than or equal to 6
Click here to see answer by stanbon(57290)

Question 67004: Can you please help me solve the following? Thanks so much!
x -2 -1 0 1 2

y .111 .333 1 3 9
Given the table above, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function.
Graph:
Graph Type:
Explanation:
Domain:
Range:

Click here to see answer by stanbon(57290)

Question 67051: graph f(x) = -2x-5
Click here to see answer by stanbon(57290)

Question 67056: if f(x)=5x-1, find f(a-2)
Click here to see answer by stanbon(57290)

Question 67055: if f(x)=4x-3, find f(-1)
Click here to see answer by Nate(3500)

Question 67046: graph 3x-4y<12
Click here to see answer by Zoop(21)

Question 67074: ive been havgin hard time trying to solve this equation, i dont know how to.
V - 1.58 = 2.76
thanks! =)
Click here to see answer by stanbon(57290)

Question 67120: I have to do a production possibilities table for consumer goods (automobiles) and capital goods (forlifts):
Production Alternatives
Type of Production A B C D E
Automobiles 0 2 4 6 8
Forklifts 30 27 21 12 0
Show these data graphically. Upon what specific assumptions is the production possibilites curve based?
Please help me do the graph. Thanks

Click here to see answer by ronniecroberts(6)

Question 67063: is 3y+2=0 a standard linear equation? if its not, why?
Click here to see answer by ronniecroberts(6)

Question 67115: Technology. Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from the top of the
mountain. Find the slope of his descent to the nearest hundredth.
Click here to see answer by Petredish1(5)

Question 67123: You have at least $30 in change in your drawer, consisting of
dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Click here to see answer by venugopalramana(3286)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190